Body
Your a pain in the neck! (your being annoying)
Brain fart (Awesome ideas popped up in your mind)
Pull your socks up (Get your act together)
Break a leg (Have a go)
Pain in the but (Your being annoying again)
That will cost a arm and a leg! (That is expensive)
Raining cats and dogs (There is heavy rain)
Hold fire (wait there)
Get your head out of those clouds (Stop thinking and living in the past)
Random
you cant lead a horse to water but you can make it thirsty (you cant do all the work for people but you can help/encourage